Re: kern/58552: panic via genfs_getpages - ufs_bmaparray

[gnats-admin%netbsd.org@localhost]

The following reply was made to PR kern/58552; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: "J. Hannken-Illjes" <hannken%mailbox.org@localhost>
Cc: "S.P.Zeidler" <spz%NetBSD.org@localhost>,
	gnats-bugs%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/58552: panic via genfs_getpages - ufs_bmaparray
Date: Fri, 30 Aug 2024 17:22:03 +0000

 > Date: Fri, 30 Aug 2024 16:48:58 +0200
 > From: "J. Hannken-Illjes" <hannken%mailbox.org@localhost>
 >=20
 > Where is the path from fsync/msync to VOP_GETPAGES?  Looks like both end =
 up
 > in VOP_PUTPAGES where requests seem bound to MAXPHYS.
 
 Sorry, I was confusing getpages and putpages in my head while skimming
 this code for patterns like `struct vm_page \*\*' and `pgs.*alloc'.
 (The other candidates I found was in but I don't think it's relevant
 here.)
 
 Perhaps mlock/mlockall could trigger a 2MB getpages?